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andreyandreev [35.5K]
3 years ago
8

John can jog 3,000 yards in 15 minutes. Id she jogs at thw same rate, how many feet can she jog in 6 minutes

Mathematics
2 answers:
Kobotan [32]3 years ago
5 0
3,000 y / 15 m
9,000 f / 15 m

X f / 6 m = 9,000 f / 15 m

Cross multiply

3,600 feet
Verdich [7]3 years ago
5 0

You can use a unit rate.

(3000 yd)/(15 minutes) = 200 yd/minute

Now multiply the unit rate by 6 minutes.

200 yd/minute * 6 minutes = 1200 yd

The question asks for feet, so we convert the answer to feet using 1 yd = 3 ft.

1200 yd * (3 ft)/yd = 3600 ft

Answer: 3600 ft

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Step-by-step explanation:

<u><em>The correct question is </em></u>

Two friends are collecting cards. Frank has 6 more than half the number of cards as his friend. Together they have 42 cards. How many cards does each friend have?

Let

x ----> the number of cards that Frank has

y ----> the number of cards that his friend has

we know that

Together they have 42 cards

x+y=42 ----> equation A

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x=\frac{y}{2} +6 ---> equation B

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